Finding the Fourth Proportional to 1,668,628.56, 2,302,755.98 and 943,460.70
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Solution
The fourth proportional to 1,668,628.56, 2,302,755.98 and 943,460.70 is: 1,302,003.23
Step by Step Solution
- Step 1: Write the proportion equation
1,668,628.56 : 2,302,755.98 = 943,460.70 : x - Step 2: Convert to fraction form
1,668,628.56/2,302,755.98 = 943,460.70/x - Step 3: Cross multiply
1,668,628.56x = 2,302,755.98 × 943,460.70 - Step 4: Simplify right side
1,668,628.56x = 2,172,559,768,819.99 - Step 5: Solve for x
x = 2,172,559,768,819.99/1,668,628.56 - Step 6: Final answer
x = 1,302,003.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.